400 m, Men
| Competition | 1919 South American Athletics Championships |
|---|---|
| Venue |
Montevideo
 URU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Isabelino Gradín | URU |
52.4 | ||
| 🥈 | Armando Camus |  CHI |
53.0 | ||
| 🥉 | Carlos Stevens | CHI |
54.6 |